CN220574803U - Multistation drilling positioning mechanism - Google Patents

Abstract

The utility model provides a multi-station drilling positioning mechanism, and belongs to the technical field of drilling processing; the work piece is fixed a position to multistation drilling positioning mechanism, and multistation drilling positioning mechanism includes: the device comprises a mounting seat, a screw rod, a moving seat, a positioning plate, a positioning groove, a fixing plate, a threaded rod and a clamping plate; because the lead screw can drive two removal seats simultaneously and remove, consequently can realize that one removes the below that the seat is located drilling equipment, and another removes the outside that the seat is located drilling equipment to realize when drilling equipment carries out drilling to the work piece on the seat that removes, the staff can be located the work piece on another removes the seat and change, and then realize not stopping also can accomplish the change to the work piece, in order to promote the machining efficiency to the work piece.

Description

Multistation drilling positioning mechanism

Technical Field

The utility model belongs to the technical field of drilling processing, and particularly relates to a multi-station drilling positioning mechanism.

Background

In the related art, in order to enhance the accuracy of machining a circular workpiece, it is necessary to position the workpiece on a table in order to drill the workpiece with a drilling apparatus.

The prior art (publication number: CN 202846221U) discloses a multi-piece drill positioning and clamping mechanism. The clamp body is matched and locked with a T-shaped groove in the machine tool workbench through a second positioning key; the backing plate is matched and locked with a positioning groove on the clamp body through a third positioning key; the fixed V-shaped block is matched and locked with the positioning groove on the clamp body through the first positioning key, and a plurality of V-shaped grooves on the fixed V-shaped block are used for placing workpieces to be machined; the supporting bodies are arranged side by side and correspond to the V-shaped grooves on the fixed V-shaped blocks one by one, the supporting bodies are respectively locked on the base plate, a slidable push plate is respectively arranged in each supporting body, the front end of each push plate is hinged with the corresponding pressing plate through a cylindrical pin, the pressing bolt is arranged in the supporting body, the front end of the pressing bolt is connected with the corresponding push plate, the handle is arranged at the rear end of the pressing bolt, the pressing bolt can be driven by the rotating handle to drive the corresponding pressing plate to slide forwards in the supporting body, and a workpiece to be machined is completely pressed in the fixed V-shaped blocks. The utility model has simple and practical structure, flexible operation and good interchangeability.

In this prior art, when drilling equipment finishes drilling processing to the work piece, need stop drilling equipment after, change the work piece again to the machining efficiency to the work piece has been influenced.

Disclosure of Invention

In order to solve the problem that the workpiece machining efficiency is affected by the fact that after the drilling equipment is stopped and the workpiece is replaced after the drilling equipment is used for drilling the workpiece in the prior art, the utility model provides the multi-station drilling positioning mechanism, which adopts the screw rod to drive two moving seats to move simultaneously, and can realize that one moving seat is positioned below the drilling equipment and the other moving seat is positioned outside the drilling equipment, so that when the drilling equipment is used for drilling the workpiece on one moving seat, a worker can replace the workpiece on the other moving seat, and further the workpiece can be replaced without stopping, so that the effect of improving the workpiece machining efficiency is achieved. The specific technical scheme is as follows:

multistation drilling positioning mechanism, multistation drilling positioning mechanism fixes a position the work piece, and multistation drilling positioning mechanism includes: the device comprises a mounting seat, a screw rod, a moving seat, a positioning plate, a positioning groove, a fixing plate, a threaded rod and a clamping plate; a mounting groove is formed in the mounting seat; the outer wall of the screw rod is provided with a first external thread, the screw rod is embedded into the mounting groove, and two ends of the screw rod are rotationally connected with the mounting seat; the bottom of the movable seat is provided with a first threaded hole, a first internal thread is arranged in the first threaded hole, the two movable seats are embedded into the mounting groove, and the screw rod sequentially passes through the first threaded holes of the two movable seats; the positioning plate is L-shaped and is fixed on one side of the movable seat; the positioning groove is triangular, is arranged on the positioning plate, and at least part of the workpiece is embedded into the positioning groove; the fixed plate is internally provided with a second threaded hole, a second internal thread is arranged in the second threaded hole, and the fixed plate is fixed on the other side of the movable seat; the outer wall of the threaded rod is provided with a second external thread, and the threaded rod passes through a second threaded hole of the fixed plate; the clamping plate is rotationally connected with the threaded rod and is attached to the workpiece; wherein, first external screw thread and first internal screw thread looks adaptation, second external screw thread and second internal screw thread looks adaptation.

In addition, the multi-station drilling positioning mechanism in the technical scheme provided by the utility model can also have the following additional technical characteristics:

in the above technical scheme, the multi-station drilling positioning mechanism further comprises: a feed beam and a motor; the light bars are embedded into the mounting grooves, the two ends of the light bars are connected with the mounting seats, and the light bars sequentially penetrate through the two movable seats; the motor is provided with the output shaft, and the motor is fixed on the mount pad, and the output shaft of motor is connected with the lead screw.

In the above technical scheme, the multi-station drilling positioning mechanism further comprises: a ball and a fixed cover; the ball is connected with the threaded rod, and is embedded into the clamping plate; the fixed cover is connected with the clamping plate, and the fixed cover is wound on the outer side of the ball.

In the above technical scheme, the multi-station drilling positioning mechanism further comprises: a hand wheel; the hand wheel is sleeved on the outer side of the threaded rod, and the hand wheel and the threaded rod do not rotate relatively.

In the above technical scheme, the multi-station drilling positioning mechanism further comprises: the guide rod, the bearing pedestal and the linear bearing; one end of the guide rod is connected with the clamping plate, and the other end of the guide rod penetrates through the fixing plate; the bearing seat is fixed on the fixed plate and is wound on the outer side of the guide rod; the linear bearing is embedded into the bearing seat and sleeved on the outer side of the guide rod.

In the above technical scheme, the multi-station drilling positioning mechanism further comprises: chip removal holes and chip removal grooves; the chip removal holes are arranged on the movable seat, and the chip removal holes are positioned below the workpiece; the chip groove is arranged on the mounting seat and is positioned below the movable seat.

In the above technical scheme, the multi-station drilling positioning mechanism further comprises: a connecting groove and a cleaning groove; the connecting grooves are U-shaped, and at least two connecting grooves are arranged on two sides of the mounting seat in a penetrating way; the clearance groove sets up in the bottom of mount pad, and the clearance groove is located the below of chip groove.

Compared with the prior art, the multi-station drilling positioning mechanism has the beneficial effects that:

1. through embedding the work piece in the constant head tank on the locating plate to make clamping plate and work piece laminate mutually, in order to realize locating plate and clamping plate cooperation and press from both sides tightly the work piece, thereby realize fixing the work piece on removing the seat, with the stability that promotes the work piece, and then the drilling equipment of being convenient for carries out drilling processing to the work piece. Through making lead screw and two removal seat threaded connection to realize that the lead screw can drive and remove the seat and remove, with adjusting the relative position that removes seat and drilling equipment, thereby realize that the work piece on the removal seat can be located drilling equipment's below, so that drilling equipment carries out drilling processing to the work piece, also can make the work piece on the removal seat be located drilling equipment's outside, so that change the work piece on the removal seat. Moreover, because the lead screw can drive two removal seats simultaneously and remove, consequently can realize that one removes the below that the seat is located drilling equipment, and another removes the outside that the seat is located drilling equipment to realize when drilling equipment carries out drilling to the work piece on the seat that removes, the staff can be located the work piece that another removes the seat and change, and then realize not needing to shut down and also can accomplish the change to the work piece, in order to promote the machining efficiency to the work piece.

2. Through passing two movable seats with the smooth in proper order to realize that the movable seat can remove along the smooth, thereby avoid moving the seat and take place the skew when removing, with the stability that promotes the movable seat and remove.

3. Through making the threaded rod be connected with the ball, make ball embedding clamping plate in to make the fixed cover around the outside of establishing the ball, in order to realize when the threaded rod rotates and remove, the threaded rod passes through ball and fixed cover and drives clamping plate and remove, thereby realizes that clamping plate and threaded rod can rotate relatively, and then realize guaranteeing that the threaded rod can drive under the prerequisite that clamping plate removed, avoid the threaded rod to drive clamping plate and rotate, in order to promote the use experience of product.

4. Through the outside with the hand wheel suit at the threaded rod to make hand wheel and threaded rod not have relative rotation, in order to realize that the staff rotates the hand wheel in order to drive the threaded rod rotation, thereby reduce the degree of difficulty of rotating the threaded rod, in order to promote the use experience of product.

5. Through fixing the bearing frame on the fixed plate, with the outside of linear bearing suit at the guide bar to with linear bearing embedding bearing frame in, with the realization bearing frame is led the guide bar through linear bearing, thereby avoid guide bar and clamping plate to take place the skew when removing, with the stability that promotes the clamping plate and remove.

6. Through setting up the chip groove on the mount pad to make the chip groove be located the below that removes the seat, with the realization through chip hole exhaust iron fillings can be through the chip groove discharge, thereby avoid the iron fillings to push away the below of long-pending at the work piece, in order to promote the use experience of product.

7. Through running through setting up the spread groove that is the U-shaped at least two in the both sides of mount pad to realize that connecting bolt can pass the spread groove and be connected with the workstation, thereby be convenient for the product be connected with the workstation, in order to promote the product and use experience. Through setting up the clearance groove in the bottom of mount pad to make the clearance groove be located the below of chip groove, with the realization staff clear up the iron fillings that fall into the mount pad bottom through the clearance groove, so that the staff collects and clears up the iron fillings.

Drawings

FIG. 1 is a top view of a multi-station drill positioning mechanism of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view of the mounting base of the present utility model;

FIG. 4 is a perspective view of a mobile seat according to the present utility model;

wherein, the correspondence between the reference numerals and the component names in fig. 1 to 4 is:

10 workpieces, 11 installation seats, 12 installation grooves, 13 lead screws, 14 moving seats, 15 positioning plates, 16 positioning grooves, 17 fixing plates, 18 threaded rods, 19 clamping plates, 20 smooth bars, 21 motors, 22 balls, 23 fixing covers, 24 handwheels, 25 guide rods, 26 bearing seats, 27 linear bearings, 28 chip removal holes, 29 chip removal grooves, 30 connecting grooves and 31 cleaning grooves.

Detailed Description

The utility model will be further described with reference to specific embodiments and figures 1-4, but the utility model is not limited to these embodiments.

As shown in fig. 1 to 4, a multi-station drilling positioning mechanism positions a workpiece 10, the multi-station drilling positioning mechanism including: mounting seat 11, lead screw 13, movable seat 14, positioning plate 15, positioning groove 16, fixed plate 17, threaded rod 18 and clamping plate 19; a mounting groove 12 is arranged in the mounting seat 11; the outer wall of the screw rod 13 is provided with a first external thread, the screw rod 13 is embedded into the mounting groove 12, and two ends of the screw rod 13 are rotationally connected with the mounting seat 11; the bottom of each movable seat 14 is provided with a first threaded hole, first internal threads are arranged in the first threaded holes, the two movable seats 14 are embedded into the mounting groove 12, and the screw rod 13 sequentially penetrates through the first threaded holes of the two movable seats 14; the positioning plate 15 is L-shaped, and the positioning plate 15 is fixed on one side of the movable seat 14; the positioning groove 16 is triangular, the positioning groove 16 is arranged on the positioning plate 15, and at least part of the workpiece 10 is embedded into the positioning groove 16; a second threaded hole is formed in the fixing plate 17, a second internal thread is formed in the second threaded hole, and the fixing plate 17 is fixed on the other side of the movable seat 14; the outer wall of the threaded rod 18 is provided with second external threads, and the threaded rod 18 passes through the second threaded hole of the fixed plate 17; the clamping plate 19 is rotationally connected with the threaded rod 18, and the clamping plate 19 is attached to the workpiece 10; wherein, first external screw thread and first internal screw thread looks adaptation, second external screw thread and second internal screw thread looks adaptation.

The lead screw 13 is embedded into the mounting groove 12 of the mounting seat 11, and two ends of the lead screw 13 are rotatably connected with the mounting seat 11, so that the mounting seat 11 supports the lead screw 13, and the lead screw 13 can rotate in the mounting groove 12; by embedding the two movable seats 14 into the mounting groove 12 and enabling the screw rod 13 to sequentially pass through the threaded holes of the two movable seats 14, the screw rod 13 is in threaded connection with the movable seats 14, so that when the screw rod 13 rotates, the screw rod 13 drives the two movable seats 14 to move in the mounting groove 12. By fixing the L-shaped positioning plate 15 on one side of the movable seat 14, a triangular positioning groove 16 is formed in the positioning plate 15, and at least part of the workpiece 10 is embedded into the positioning groove 16, so that the workpiece 10 is accommodated by the positioning plate 15 through the positioning groove 16, and the workpiece 10 is pre-positioned. By fixing the fixed plate 17 on the other side of the movable seat 14 and passing the threaded rod 18 through the second threaded hole of the fixed plate 17, the threaded rod 18 is in threaded connection with the fixed plate 17, thereby realizing rotation of the threaded rod 18 to adjust the length of the threaded rod 18 extending out of the fixed plate 17; through rotating clamping plate 19 and threaded rod 18 to make clamping plate 19 laminate mutually with work piece 10, with the realization threaded rod 18 drive clamping plate 19 remove, thereby realize that clamping plate 19 and locating plate 15 cooperate to press from both sides tight work piece 10, with the stability that promotes work piece 10, and then the drilling equipment of being convenient for carries out drilling to work piece 10.

When the product is specifically used, the mounting seat 11 is fixed on a workbench of drilling equipment; then, a plurality of workpieces 10 are respectively placed on the two movable seats 14, and the workpieces 10 are embedded into the positioning grooves 16; then, the threaded rod 18 is rotated, so that the threaded rod 18 drives the clamping plate 19 to move, and the clamping plate 19 is matched with the positioning plate 15 to clamp the workpiece 10, so that the workpiece 10 is fixed on the movable seat 14; then, the screw rod 13 is rotated to enable a movable seat 14 to be positioned below the drilling equipment, so that the drilling equipment is convenient for drilling the workpiece 10; then, starting the drilling equipment to drill the workpiece 10; after the drilling of the workpiece 10 is completed, the screw rod 13 is rotated, the movable seat 14 is moved out from the lower part of the drilling equipment, and the other movable seat 14 is moved to the lower part of the drilling equipment; then, starting the drilling equipment to drill the workpiece 10; at the same time, the threaded rod 18 located outside the drilling apparatus is rotated in the reverse direction to replace the workpiece 10 located outside the drilling apparatus.

By adopting the structure, the workpiece 10 is embedded into the positioning groove 16 on the positioning plate 15, and the clamping plate 19 is attached to the workpiece 10, so that the workpiece 10 is clamped by the cooperation of the positioning plate 15 and the clamping plate 19, the workpiece 10 is fixed on the movable seat 14, the stability of the workpiece 10 is improved, and the drilling equipment is convenient for drilling the workpiece 10. The screw rod 13 is in threaded connection with the two movable seats 14, so that the screw rod 13 can drive the movable seats 14 to move to adjust the relative positions of the movable seats 14 and the drilling equipment, and therefore the workpiece 10 on the movable seats 14 can be located below the drilling equipment so as to facilitate the drilling equipment to drill the workpiece 10, and the workpiece 10 on the movable seats 14 can be located on the outer side of the drilling equipment so as to facilitate the replacement of the workpiece 10 on the movable seats 14. Moreover, since the screw rod 13 can drive the two movable seats 14 to move simultaneously, one movable seat 14 can be located below the drilling equipment, and the other movable seat 14 is located outside the drilling equipment, so that when the drilling equipment drills the workpiece 10 on the one movable seat 14, a worker can replace the workpiece 10 located on the other movable seat 14, and the workpiece 10 can be replaced without stopping, so that the machining efficiency of the workpiece 10 is improved.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: a feed beam 20 and a motor 21; the light bar 20 is embedded into the mounting groove 12, two ends of the light bar 20 are connected with the mounting seats 11, and the light bar 20 sequentially passes through the two movable seats 14; the motor 21 is provided with the output shaft, and motor 21 is fixed on mount pad 11, and the output shaft of motor 21 is connected with lead screw 13.

The light bar 20 is embedded into the mounting groove 12, and two ends of the light bar 20 are connected with the mounting seats 11, so that the mounting seats 11 support the light bar 20, and the stability of the light bar 20 is improved; by sequentially passing the light bar 20 through the two moving seats 14, the moving seats 14 can move along the light bar 20, so that the moving seats 14 are prevented from shifting during movement, and the moving stability of the moving seats 14 is improved. The motor 21 is fixed on the mounting seat 11, and the output shaft of the motor 21 is connected with the screw rod 13, so that the motor 21 drives the screw rod 13 to rotate, and power is provided for rotating the screw rod 13.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: a ball 22 and a fixed cover 23; the balls 22 are connected with the threaded rod 18, and the balls 22 are embedded in the clamping plate 19; the fixed cover 23 is connected to the clamping plate 19, and the fixed cover 23 is wound around the outside of the balls 22.

By connecting the balls 22 with the threaded rod 18 and embedding the balls 22 in the clamping plate 19, the threaded rod 18 and the balls 22 rotate synchronously, so that when the threaded rod 18 rotates and moves towards the clamping plate 19, the threaded rod 18 moves against the clamping plate 19 through the balls 22; by connecting the fixed cover 23 with the clamping plate 19 and winding the fixed cover 23 around the outer sides of the balls 22, the fixed cover 23 and the clamping plate 19 move synchronously, so that when the threaded rod 18 rotates and moves in a direction away from the clamping plate 19, the threaded rod 18 drives the fixed cover 23 and the clamping plate 19 to move through the balls 22.

By adopting the structure, the threaded rod 18 is connected with the balls 22, the balls 22 are embedded into the clamping plate 19, and the fixed cover 23 winds the outer sides of the balls 22, so that when the threaded rod 18 rotates and moves, the threaded rod 18 drives the clamping plate 19 to move through the balls 22 and the fixed cover 23, the clamping plate 19 and the threaded rod 18 can rotate relatively, and further, the threaded rod 18 is prevented from driving the clamping plate 19 to rotate on the premise that the threaded rod 18 is ensured to drive the clamping plate 19 to move, and the use experience of a product is improved.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: a hand wheel 24; the hand wheel 24 is sleeved on the outer side of the threaded rod 18, and the hand wheel 24 and the threaded rod 18 do not rotate relatively.

Through the outside with hand wheel 24 suit at threaded rod 18 to make hand wheel 24 and threaded rod 18 do not have relative rotation, in order to realize that the staff rotates hand wheel 24 in order to drive threaded rod 18 rotation, thereby reduce the degree of difficulty of rotating threaded rod 18, in order to promote the use experience of product.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: a guide rod 25, a bearing seat 26 and a linear bearing 27; one end of the guide rod 25 is connected to the clamping plate 19, and the other end of the guide rod 25 passes through the fixing plate 17; the bearing seat 26 is fixed on the fixed plate 17, and the bearing seat 26 is wound on the outer side of the guide rod 25; the linear bearing 27 is embedded in the bearing seat 26, and the linear bearing 27 is sleeved outside the guide rod 25.

By connecting one end of the guide rod 25 with the clamping plate 19 and passing the other end of the guide rod 25 through the fixing plate 17, the guide rod 25 and the clamping plate 19 move synchronously; through fixing bearing frame 26 on fixed plate 17, with the outside of linear bearing 27 suit in guide bar 25 to with linear bearing 27 embedding in bearing frame 26, so that realize that bearing frame 26 carries out the direction to guide bar 25 through linear bearing 27, thereby avoid guide bar 25 and clamp plate 19 to take place the skew when moving, in order to promote the stability that clamp plate 19 moved.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: chip ejection holes 28 and chip ejection grooves 29; the chip removing hole 28 is arranged on the movable seat 14, and the chip removing hole 28 is positioned below the workpiece 10; the junk slots 29 are provided on the mounting block 11, and the junk slots 29 are located below one of the traveling blocks 14.

By disposing the chip removing hole 28 on the movable base 14 with the chip removing hole 28 positioned below the workpiece 10, when the drilling apparatus drills the workpiece 10, the chip generated by the drilling can be discharged through the chip removing hole 28; by arranging the chip grooves 29 on the mounting seat 11 and positioning the chip grooves 29 below the movable seat 14, the scrap iron discharged through the chip holes 28 can be discharged through the chip grooves 29, so that the scrap iron is prevented from being accumulated below the workpiece 10, and the use experience of products is improved.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the multi-station drilling positioning mechanism further includes: a connecting groove 30 and a cleaning groove 31; the connecting grooves 30 are U-shaped, and at least two connecting grooves 30 are arranged on two sides of the mounting seat 11 in a penetrating way; the cleaning tank 31 is provided at the bottom of the mount 11, and the cleaning tank 31 is located below the junk slots 29.

Through running through setting up at the both sides of mount pad 11 with at least two spread grooves 30 that are the U-shaped to realize that connecting bolt can pass spread groove 30 and be connected with the workstation, thereby be convenient for the product be connected with the workstation, in order to promote the product and use experience. Through setting up clearance groove 31 in the bottom of mount pad 11 to make clearance groove 31 be located the below of junk slot 29, in order to realize that the staff clears up the iron fillings that fall into the mount pad 11 bottom through clearance groove 31, so that the staff collects and clears up the iron fillings.

In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a multistation drilling positioning mechanism, multistation drilling positioning mechanism fixes a position the work piece, its characterized in that, multistation drilling positioning mechanism includes:

the mounting seat is internally provided with a mounting groove;

the outer wall of the screw rod is provided with a first external thread, the screw rod is embedded into the mounting groove, and two ends of the screw rod are rotationally connected with the mounting seat;

the bottom of the movable seat is provided with a first threaded hole, first internal threads are arranged in the first threaded hole, the two movable seats are embedded into the mounting groove, and the screw rod sequentially penetrates through the first threaded holes of the two movable seats;

the positioning plate is L-shaped and is fixed on one side of the movable seat;

the positioning groove is triangular, is arranged on the positioning plate and at least part of the workpiece is embedded into the positioning groove;

the fixing plate is internally provided with a second threaded hole, a second internal thread is arranged in the second threaded hole, and the fixing plate is fixed on the other side of the movable seat;

the outer wall of the threaded rod is provided with a second external thread, and the threaded rod penetrates through the second threaded hole of the fixing plate;

the clamping plate is rotationally connected with the threaded rod and is attached to the workpiece;

the first external thread is matched with the first internal thread, and the second external thread is matched with the second internal thread.

2. The multi-station borehole positioning mechanism as recited in claim 1, further comprising:

the light bar is embedded into the mounting groove, two ends of the light bar are connected with the mounting seats, and the light bar sequentially penetrates through the two movable seats;

the motor is provided with an output shaft, the motor is fixed on the mounting seat, and the output shaft of the motor is connected with the screw rod.

3. A multi-station borehole positioning mechanism as set forth in claim 2 wherein said multi-station borehole positioning mechanism further comprises:

the ball is connected with the threaded rod and embedded into the clamping plate;

and the fixed cover is connected with the clamping plate and winds the outer sides of the balls.

4. A multi-station borehole positioning mechanism as set forth in claim 3 wherein said multi-station borehole positioning mechanism further comprises:

the hand wheel is sleeved on the outer side of the threaded rod, and the hand wheel and the threaded rod do not rotate relatively.

5. The multi-station borehole positioning mechanism as recited in claim 1, further comprising:

one end of the guide rod is connected with the clamping plate, and the other end of the guide rod penetrates through the fixing plate;

the bearing seat is fixed on the fixed plate and wound on the outer side of the guide rod;

the linear bearing is embedded into the bearing seat and sleeved on the outer side of the guide rod.

6. The multi-station borehole positioning mechanism as recited in claim 5, further comprising:

the chip removal hole is arranged on the movable seat and is positioned below the workpiece;

the chip groove is arranged on the mounting seat and is positioned below one movable seat.

7. The multi-station borehole positioning mechanism as recited in claim 6 wherein said multi-station borehole positioning mechanism further comprises:

the connecting grooves are U-shaped, and at least two connecting grooves are arranged on two sides of the mounting seat in a penetrating manner;

the clearance groove, the clearance groove sets up the bottom of mount pad, just the clearance groove is located the below of chip groove.